Git will also need to be available in the PATH.There are several ways to install CMake, depending on your platform. While your project does not have to be handled by the Git versioning system - you can use Mercurial, SVN, or nothing - you will still need to install Git on your system in order to use npx react-native upgrade. Troubleshooting I want to upgrade with React Native CLI but I don't use Git Make sure to check the release notes when upgrading so that you can identify any manual changes your particular project may require. Some upgrades won't be done automatically with the React Native CLI and require manual work, e.g.
If a file is different in your project than the template, you will be prompted you have options to keep your file or overwrite it with the template version. If a file in the template is identical to your file, it is skipped. If there is a new file in the template, it is created. This will check your files against the latest template and perform the following: Run the following command to start the process of upgrading to the latest version: The upgrade command works on top of Git by using git apply with 3-way merge, therefore it's required to use Git in order for this to work, if you don't use Git but still want to use this solution then you can check out how to do it in the Troubleshooting section. The React Native CLI comes with upgrade command that provides a one-step operation to upgrade the source files with a minimum of conflicts, it internally uses rn-diff-purge project to find out which files need to be created, removed or modified. There's currently two ways for upgrading your React Native project: by using React Native CLI or manually with Upgrade Helper. React Native projects īecause typical React Native projects are essentially made up of an Android project, an iOS project, and a JavaScript project, upgrading can be rather tricky. See the Upgrading Expo SDK Walkthrough for up-to-date information about upgrading your project. Expo provides an upgrade command to handle upgrading these and any other known dependencies for you. 
Upgrading your Expo project to a new version of React Native requires updating the react-native, react, and expo package versions in your package.json file. Upgrading requires a small amount of effort, but we try to make it straightforward for you.
Upgrading to new versions of React Native will give you access to more APIs, views, developer tools and other goodies.
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